SOMOS GRAU — ORC Rating

GPH

587.2

OSN

572

LOA

10.9 m

Displacement

3835 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.787

Medium

1.05

High

1.1984

Triple Offshore

Low

1.0175

Medium

1.2897

High

1.4487

Boat Specifications

Dimensions

Length overall: 10.9 m
Beam: 3.61 m
Draft: 2.25 m
Displacement: 3835 kg
Crew weight: 650 kg
Wetted surface: 24.1 m²

Sails

Mainsail: 41.24 m²
Genoa: 37.67 m²
Spinnaker: 75.09 m²
Asymmetric spinnaker: 0 m²

Design

Type: MUMM 36
Builder: AST. DEL SUR
Designer: BRUCE FARR
Year built: 1992

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,42.1,5.269713,52,5.92,60,6.24,75,6.5,90,6.42,110,5.93,120,5.71,135,5.09,141.1,4.728599,150,4.25
8,40.4,6.211112,52,6.92,60,7.12,75,7.25,90,7.24,110,7.1,120,6.94,135,6.32,147.7,5.513085,150,5.38
10,38.1,6.569793,52,7.29,60,7.47,75,7.65,90,7.67,110,7.68,120,7.56,135,7.18,150,6.4,150.2,6.384214
12,37.4,6.734519,52,7.43,60,7.64,75,7.98,90,8.09,110,8.23,120,8.12,135,7.68,150,7.18,157.1,6.84987
14,36.8,6.793789,52,7.51,60,7.75,75,8.19,90,8.5,110,8.76,120,8.75,135,8.23,150,7.65,174.8,6.978722
16,36.9,6.827691,52,7.56,60,7.82,75,8.33,90,8.83,110,9.11,120,9.42,135,8.85,150,8.15,180,7.47
20,36.8,6.931163,52,7.67,60,7.94,75,8.46,90,9.16,110,9.74,120,10.39,135,10.44,150,9.34,180,8.41

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.92	6.24	6.5	6.42	5.93	5.71	5.09	4.25
8	6.92	7.12	7.25	7.24	7.1	6.94	6.32	5.38
10	7.29	7.47	7.65	7.67	7.68	7.56	7.18	6.4
12	7.43	7.64	7.98	8.09	8.23	8.12	7.68	7.18
14	7.51	7.75	8.19	8.5	8.76	8.75	8.23	7.65
16	7.56	7.82	8.33	8.83	9.11	9.42	8.85	8.15
20	7.67	7.94	8.46	9.16	9.74	10.39	10.44	9.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.91	141.1°	3.68
8	40.4°	4.73	147.7°	4.66
10	38.1°	5.17	150.2°	5.54
12	37.4°	5.35	157.1°	6.31
14	36.8°	5.44	174.8°	6.95
16	36.9°	5.46	180°	7.47
20	36.8°	5.55	180°	8.41

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